Homologous recombination occurs in a heterozygote in which alleles D and d differ by a single base pair. The D allele has a G (a GC base pair) at one position, whereas the d allele has a C (a CG base pair) at the same position. If branch migration causes heteroduplex formation across this position, what is the expected outcome

Answers

Answer 1

Answer:

Mismatch DNA repair mechanism recognizes the abnormal base pairing (G-G base pair) and may correct it by converting the D allele to d

Explanation:

The DNA mismatch repair can be defined as a specialized mechanism that recognizes and repairs errors in the nuclotide sequence (such as, for example, bases erroneously incorporated) during DNA replication and recombination. The DNA mismatch repair is a system that also acts to repair the DNA after damage. It has been shown that the DNA mismatch repair mechanism leads to the generation of a DNA molecule with one chain that has the nucleotide sequence arising from DNA repair and one parental chain. In this case, it is expected that the DNA mismatch repair mechanism will identify the abnormal G-G base pairing and then this system may change the D allele to a d allele by introducing a C base instead of a G base in the DNA strand.


Related Questions

why spaghetti a heterogeneous mixture?
a.its ingredients cannot distinguish easily
b.its has a main component or base ingredient.
c.its ingredient can be distinguish easily
d.it is delicious and mixed well​

Answers

it is b i think_____________

TRUE OR FALSE: MYCOBACTERIA IS A GROUP OF BACTERIA THAT USED TO BE CLASSIFIED AS ALGAE

Answers

Answer:

I think the answer is TRUE

sorry if im wrong

Explanation:

Answer:

False because it is a bacteria fungus :3

Explanation:

:3

1. A customer from a previous season comes into your store confused. A
bed of pink four o'clock flowers she planted the previous season self-
seeded and produced a mixture of about 1/4 red, 1/4 white, and 1/2 pink
flowers this year. The customer wants to know why the pink flowers are
now a mix of colors. This is possible because of ...
*

Answers

Answer:

The genes in flowers vary and change every season a little bit if they are not the perfect "pink" or "red" seed gene they will vary.

Hope this helps :)

The question is above (: I’ll mark brainalist

Answers

answer: autotrophic

explanation:

plantlike protists produce their own food through photosynthesis and are thus autotrophic

When DNA replication occurs before meiosis, the original DNA strand
GTC ACA GGC ATC is copied into complementary strand CAG CCG TAG.
What type of mutation has occurred?
A) deletion
B) insertion
o
inversion
D) translocation

Answers

The answer to this question is B
Answer:B. Insertion

Explanation:

In this particular insertion there is an insert of three bases. Complementary strands in DNA are the opposite strand, so Adenine is coupled to Thymine and Guanine is coupled to Cytosine.

#BrainlyIsFun

Which is true of reabsorption in the distal convoluted tubule?

Answers

Answer: its false

Explan : hope im right

The sun
produces energy through
A. fission
B. photosynthesis
C. fusion
D. photovoltaic cells

Answers

Answer:

through nuclear fusion

Which of the following is not a function of tRNA

Answers

Answer:

connecting amino acid together to form proteins

hope it will help

Option D is correct. "connecting amino acid together to form a protein" is not a function of tRNA

Unlike DNA, there are three types of RNA that are involved in protein synthesis, messenger RNA, ribosomal RNA, and transfer RNA.

Ribosomal RNA (rRNA) and transfer RNA (tRNA) are not copies of the info in DNA, instead, their codes are created while in the DNA and then cut into smaller coded fragments.

Transfer RNA (tRNA) is found in cells' cytoplasm and ensures the correct amino acids are carried to mRNA codons to form polypeptide chains during protein synthesis. tRNA takes the amino acid to the correct location for protein synthesis in the ribosome.

Some of the functions of tRNA include:

Picking up amino acid specified by the codonTranscribing nitrogen bases into mRNA in the nucleus Recognizing appropriate codon in the mRNA

According to the explanation above, we can see that "connecting amino acids together to form a protein" is not a function of tRNA

Learn more on tRNA here: https://brainly.com/question/11439210

Do all cells in an organism reproduce through mitosis. Yes or No

Answers

yes, all cells in an organism do reproduce through mitosis

Imagine you’re a doctor treating a patient with severe vision issues. What questions might you ask to determine whether these issues are more likely to be inherited or caused by environmental factors?

Answers

Answer:

Ask if any of his/her siblings have vision issues

Ask if any of his/her parents or grandparents have vision issues

Ask if any of his/her children have vision issues

Which of the labeled structures is an adaptation that is primarily responsible for helping a paramecium control its water balance?
Paramecium diagram
A. Structure A
B. Structure B
C. Structure C
D. Structure D

Answers

Structure D , The term "contractile vacuole" refers to this structure. The vacuole gathers extra water from the cytoplasm and contracts to release it. As a result, paramecium doesn't swell and explode in hypotonic liquids.

Why are contractile vacuoles necessary for organisms?

Specialized contractile vacuoles control the amount of water in cells. Its spherical form allows it to gather extra cell fluid and empty it outside. It is essential for preserving the osmotic pressure inside the cell. Protists are eukaryotes with only one cell and are found in wet and aqueous habitats.

The name "contractile vacuole" refers to what?

As its name implies, the contractile vacuole expels water from the cell by contracting. The contractile vacuole periodically expands (collecting water) and contracts (releasing water). Several seconds are required for one cycle, depending on the species .

To know more about contractile vacuole visit :

https://brainly.com/question/13839668

#SPJ1

The opening and closing of the heart valves is caused by Multiple Choice action potentials within the cusps of the valves. pressure changes of alternating contraction and relaxation during the cardiac cycle. contraction and relaxation of papillary muscles that pull on heart strings. contraction of the smooth muscle in the walls of the great vessels leaving the heart.

Answers

Answer:

pressure changes of alternating contraction and relaxation during the cardiac cycle.

Explanation:

In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

Generally, the cardiac cycle occurs in two (2) stages;

I. Diastole : in this stage, the ventricles is relaxed and would be filled with blood.

II. Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.

Hence, the opening and closing of the heart valves is caused by pressure changes of alternating contraction and relaxation during the cardiac cycle.


1. What is the text about?
2. What are the steps presented in this process text?
3. What words help you get the process step by step?
4. What do you think will happen when one or two steps are
missed?​

Answers

Answer:

1. Directions

2

Ride a jeep or tricycle to pass San Juan or Baenotan road.Ask the driver to drop you off at the information officeregister your name as a tourist and coordinate with the trained tourist guide of munieipality of San Gabrielride motorcycle or 'habal=habal' or a jeepneyhave a walk and hike for some hours

3. First, second, third, then

4. Good Luck

Explanation:

Label the different parts of a flower.Choose your answer from the box.​

Answers

Answer:

1 anther

2 petal

3 style

4 sepal

5pollen tube

6 corolla

7 ovary

8 ovule

9 filament

10 stigma

Characteristics of codon

Answers

Yo buddy bro I got a hold for wanna I don’t know how much
Most codons specify an amino acid.

The start codon AUG marks the beginning of a protein.

The stop codon marks the end of a protein.

How are tropical rain forests and temperate forests different?
A. Temperate forests have more biodiversity.
B. Temperate forests are more productive.
C. Temperate forests are closer to the equator.
D. Temperate forests have more seasonal changes.

Answers

Answer:

d

Explanation:

Tropical rainforests are found closer to the equator where it is warm. Temperate rainforests are found near the cooler coastal areas further north or south of the equator. The tropical rainforest is a hot, moist biome where it rains all year long.

Tropical rain forests and temperate forests are different because temperate forests have more seasonal changes.

How are tropical rain forests different from temperate forests?

Tropical rainforests are found closer to the equator having less seasonal changes while on the other hand, temperate rainforests are found near the cooler regions having more seasonal changes.

So we can conclude that tropical rain forests and temperate forests are differen because temperate forests have more seasonal changes.

Learn more about forest here: https://brainly.com/question/13720854

I NEED HELP PLS
Chieko is doing an experiment with a water clock. She fills a 2-liter soda bottle with water and marks the water level. She puts two tiny pinholes in the base of the bottle. Water seeps out. She checks the time against her watch. After an hour, she marks the new water level. She repeats this process until the water is all gone. Chieko made six hour marks on the bottle, representing the passage of six hours. How can Chieko test her water clock to see if the timing is accurate?
Group of answer choices

Repeat the experiment using a better watch

Repeat the experiment using less water in the bottle

Repeat the experiment using a kitchen timer set to go off each hour

Repeat the experiment using the same amount of water and the same watch

Answers

Answer: I think the best answer would be C.

Explanation: I think that is correct.

PLEASE HELP!!!!! Question 7 of 10
The photo shows a boy and his parents.
Which statement best explains why the boy looks different from his parents?
A. He inherited an exact copy of the DNA of one of his parents.
B. He received a gene mutation from both his father and his mother.
C. He inherited genes from both his father and mother.
O D. He changed the sequence of bases in his inherited DNA.
SUBMIT

Answers

Answer:

C it is.

Explanation:

C is the correct answer.

Select the statement that BEST answers the following question
based on the information provided
Milk is uniformly mixed it contains several compounds-
water, proteins, fats, and sugars. Is milk considered a
substance or a mixture?
It is a liquid substance with uniform composition
b It is a mixture, only solids are pure substances.
С
It is a mixture that can be separated by physical
means
d
It contains compounds and is therefore a
substance

Answers

Answer:

D) It contains compounds and is therefore a substance

Explanation:

A mixture is composed of multiple compounds.

2 characteristics that determine water's density

Answers

Answer:

l

Explanation:

what is Sediment pollution?

Answers

Answer:

sediment is considered when rhere is too much of pollution

Explain the three principles of the cell theory​

Answers

Answer:

The three tenets to the cell theory are as described below: All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.

Explanation:

Can I have brainliest?

Answer:

Answer: 1) All the living organims are compound by one or more cells . 2) The cell is the structural and functional basic unit of life. 3) All cells are originated from other cells.

Explanation: Cell theory describes the characteristics of living organisms and was proposed and refined by many scientists like Schwann and Schleiden. The first principle describes the constitution of living organisms, all of them, unicellular or multicellular are compund by cells. The second principle says that cell is the unit of life in fuctions as metabolism and structural as in tissues. The third principle says that cells can only be generated by division of preexisting cells.

Explanation:

Problem 1
In dust bunnies, short ears are dominant to long ears. If a heterozygous female mates
with a long ear male, what are the chances their offspring will have short ears?

Answers

Answer:

50% or 1/2

Explanation:

This question involves a single gene coding for ear length in dust bunnies. The allele for short ears (S) are dominant to the allele for long ears (s). This means an heterozygous individual (Ss) will possess short ears.

According to this question, If a heterozygous female (Ss) mates with a long ear male (ss), the parents will produce gametes as follows:

Ss - S and s

ss - s and s

Using these gametes in a punnet square (see attached image), the following proportion of offsprings will be produced:

Ss, Ss, ss, ss

- Ss (1/2 or 50%) offsprings will have short ears.

- ss (1/2 or 50%) offsprings will have long ears.

Which statement is true about biodiversity?

Answers

Answer:

A or C

Explanation:

B and D are plain illogical. C is definately true, but since it's a little too broad I'm thinking that it would be A, since natural disasters can decrease populations which can destroy genetic diversity (see founders effect).

Answer:

The correct answer is C. I just took the test on plato

What is the purpose of the part of the male reproductive system that is
highlighted below?
A. Creates the fluid in semen
B. Transfers sperm cells to the urethra
C. Manufactures sperm cells
0
D. Stores sperm cells until they mature

Answers

Answer:

A creates the fluid in semen

5. Which of these would be the best thing for scientists to examine if they wanted to see if two organisms had a common ancestor?* O They would look at the larval forms of the organisms They would look at what the organisms liked to eat They would look at how the organisms reproduce. O They would look at how the organisms migrated to new locations​

Answers

pretty sure it's "They would look at the larval forms of the organisms".

Which of the following scenarios is an example of temporal isolation?


A.

Fossil evidence suggests that a number of members of one squirrel species evolved over time into two separate species, each on opposite sides of the Grand Canyon.


B.

Black-eyed Susans and daisies used to be part of the same species. A random mutation in a subset of a population caused one group to release their pollen three weeks before the other, causing interbreeding to cease.


C.

Two species of tree crickets live in a Costa Rican dry forest. Their habitats and ranges overlap. The two species never interbreed because the calls of the males are different and do not attract females of the other species.


D.

Indian paintbrush flowers vary greatly in color. Bumblebees form a search image for the most average common color and preferentially pollinate those flowers.

Answers

Answer:

B. Black-eyed Susans and daisies used to be part of the same species. A random mutation in a subset of a population caused one group to release their pollen three weeks before the other, causing interbreeding to cease.

Explanation:

Temporal isolation, where temporal relates to time. So temporal isolation is the process where two populations will reproduce at different times/different seasons and therefore cause a split in species. In this case, we see the flowers release pollen at different times and caused a split into two distinct species.

what is food web.what is food web ​

Answers

Answer:

a complicated food chain

A food web is where it can show you multiple different predators for one animal instead of showing you just 1

Describe the organization of a synovial joint.​

Answers

Answer:

The bones of a synovial joint are surrounded by a synovial capsule, which secretes synovial fluid to lubricate and nourish the joint while acting as a shock absorber. The ends of the joint bones are covered with smooth, glass-like hyaline cartilage which reduces friction during movement.

Explanation:

hope this helps

Which explanation justifies why the theory of evolution is a theory and not a law? (4 points) a The theory of evolution predicts an organism's ability to adapt to its environment. b The theory of evolution can be expressed as a simple mathematical statement. c The theory of evolution explains the existence of diverse forms of life on Earth. d Additional evidence will change the theory of evolution into a law.

Answers

Answer:d.Additional evidence will change the theory of evolution into a law.

Explanation:

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